10713897221 has 2 divisors, whose sum is σ = 10713897222. Its totient is φ = 10713897220.

The previous prime is 10713897203. The next prime is 10713897223. The reversal of 10713897221 is 12279831701.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10304280100 + 409617121 = 101510^2 + 20239^2 .

It is a cyclic number.

It is not a de Polignac number, because 10713897221 - 2¹⁸ = 10713635077 is a prime.

It is a super-2 number, since 2×10713897221² (a number of 21 digits) contains 22 as substring.

Together with 10713897223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10713897223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5356948610 + 5356948611.

It is an arithmetic number, because the mean of its divisors is an integer number (5356948611).

Almost surely, 2^10713897221 is an apocalyptic number.

It is an amenable number.

10713897221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10713897221 is an equidigital number, since it uses as much as digits as its factorization.

10713897221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 10713897221 in words is "ten billion, seven hundred thirteen million, eight hundred ninety-seven thousand, two hundred twenty-one".